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Hopeless28
New Participant
March 11, 2011
Question

Does it use Hyperthreading?

  • March 11, 2011
  • 1 reply
  • 38897 views

Hi,

I just cant get a clear answer on this,

does Photoshop CS5 use Hyperthreading?

thanks!

    This topic has been closed for replies.

    1 reply

    Noel Carboni
    Noel Carboni
    Brainiac
    March 11, 2011

    Given that some parts of Photoshop use multi-threading, and if your computer is set to enable Hyperthreading, then the answer would be a partial yes.  Not all of Photoshop is multi-threaded.

    A CPU core with Intel's proprietary Hyperthreading implementation appears as two "logical" processors to Windows, and two threads can be executing simultaneously with some performance gain over each being executed in separate time slices on one processor.

    http://en.wikipedia.org/wiki/Hyper-threading

    Adobe would have to answer about whether any of its multi-threading implementation is specifically optimized to enhance operation on a system with Hyperthreading.

    -Noel

    Chris Cox
    Chris Cox
    Brainiac
    March 11, 2011

    Yes, Photoshop uses hyperthreading when it would be faster.

    But in many cases we can only use physical cores and not logical (hyperthreaded) cores because hyperthreading would make the process slower.

    And we've been doing that since HyperThreading appeared in the Pentium 4.

    D
    D Ben
    Participating Frequently
    June 5, 2011

    June 5, 2011

    I have the CS5 Master Collection.  Since the advantage of of the i7 processor over the i5 is its hyperthreading ability, specifically, when would PS extended or the other programs, including Lightroom 3) use hyperthreading?  I'm deciding whether or not the price is worthwhile on both a 64 bit DT and LT.

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